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ASTM A369 Grade FP91 vs. Grade CX2MW Nickel

ASTM A369 grade FP91 belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 19
34
Fatigue Strength, MPa 320
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 670
620
Tensile Strength: Yield (Proof), MPa 460
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 600
980
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 26
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
65
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 37
170
Embodied Water, L/kg 88
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 560
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 6.9
2.7
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0 to 0.020
Chromium (Cr), % 8.0 to 9.5
20 to 22.5
Iron (Fe), % 87.3 to 90.3
2.0 to 6.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
12.5 to 14.5
Nickel (Ni), % 0 to 0.4
51.3 to 63
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0.18 to 0.25
0 to 0.35
Zirconium (Zr), % 0 to 0.010
0